Question

27. एक छड़ जो 30 सेमी फोकस के उत्तल दर्पण के मुख्य अक्ष पर रखी है
तथा जिसका एक सिरा दर्पण से 1.20 मी तथा दूसरा सिरा दर्पण से
3.30 मी दूरी पर है, के प्रतिबिम्ब की लम्बाई है पॉलिटेक्निक 2006)
(b) 55 सेमी
(d) इनमें से कोई नहीं
(a) 42 सेमी
(c) 33 सेमी​

Answer 1

Answer:

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Solution, in chemistry, a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility. The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are possible.

Answer 2

Answer:

Solution, in chemistry, a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility. The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are possible.